What is carnatic music?
If you google “Carnatic Music” yow will find many articles related to carnatic music. So there is no point here for me to explain widely as many experts have written valuable points.
In brief:
Indian Music can be divided into 2
1: Hindustani Music
Widely sung in Northern part of India.
2: Carnatic Music
Sung in southern part of India (Andhra Pradesh, Karnataka, Tamil Nadu & Kerala).